try

onreply_route{
    if (is_method("PUBLISH") && t_check_status("200|202")) append_hf("Expires: 360\r\n");
}

2017-10-06 13:30 GMT+03:00 Subba Krishna MG <meetmgsk@gmail.com>:
Hello,


How do i include Expires header for 200 OK message?

One of the manual says this.. how do i modify my existing config file to include this?

I am using : /usr/local/etc/kamailio/kamailio.cfg for configuration.

Rgds,
MGSK

1.4.9. expires_offset (int)

The value that should be subtracted from the expires value when sending a 200OK for a publish. It is used for forcing the client cu send an update before the old publish expires.

Default value is "0".

Example 1-9. Set expires_offset parameter

...
modparam("presence", "expires_offset", 10)

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